# 注释
print("hello PyThon", end=" ")
# 格式化：ctrl alt+L
print("hello PyThon")
num = 10
# 动态类型
num = ("q"
       "we")

# str =''' 123
#456
#789'''


num1 = 10
print(bin(num1))


print(10//5) #整除
print(2**3) #立方


print( 3 > 2 and 1 < 10 )#or 或 and 与 no 非

# K= -273.15

